predict the weather and sea-ice conditions in the polar regions? That depends on what you’re looking at! Sea-ice deformation, for example, can only be predicted for a few days, while sea-ice thickness in some [...] ever further north, the fishing fleets will have to adapt accordingly. In order to understand and manage all these activities and changes, we need good forecasts. Measurements of the weather, sea ice and oceans [...] be so marked. Our weather here in Europe is largely influenced by what happens in the North Atlantic and over North America; that’s where our weather is “cooked up”. The weather at the poles, however, appears